American dog tick, Dermacentor variabilis
male

resized_american dog tick female

American dog tick, Dermacentor variabilis
unfed female

resized_american dog tick male

Blacklegged tick, Ixodes scapularis
unfed female

resized_ioxodes scapularis unfed

Blacklegged tick, Ixodes scapularis
fully engorged female

resized_ioxodes scapularis engorged